Additions:General
Day/night cycle in creative.
Sounds for running water
Adaptation for 64-bit hardware/software, making the game faster for 64-bit users.
Support for the resolutions of the iPhone 6 and iPhone 6 Plus.
Blocks/Items
Fences and fence gates: Spruce, Birch, Jungle, Acacia, Dark Oak.

Tweaks:
Terrain:
Version exclusive: Mineshafts now spawn at the surface in mesas.
Version exclusive: Gold ore can generate at any level in mesa biomes.
Version exclusive: Huge mushrooms now spawn in swamps.
Mobs
Walking animations are generally faster and have been tweaked per-animal
Hostile mobs spawn in groups
Slimes now have bouncing animations.Graphics:
Shaders
Rounded, PC colored fog.
Lighter and smoother water texture.
The Sun is now slightly larger.
The clouds and the terrain are now tinted blue during night
Version exclusive: Smooth lighting on water.
Version exclusive: New swamp water color.
Version exclusive: The clouds and the terrain are now tinted red during sunset
OpenGL ES 2.0.
Tinted lighting from PC.
Mipmaps on Android devices using OpenGL ES 3.0.
Version exclusive: Added dust particles for falling gravel and sand.
Made the chat smaller[1]
Optimized chunk rendering.
Improved Performance.
The time of day is now more accurately synced in multiplayer.﻿
Added a selection overlay on Chests and Signs.
"Cancel" button will show up if joining a multiplayer world/server takes too long.
The outline of chat messages ends where the message ends, and does not cover the whole screen.

Options:
Graphics
Brightness toggleFixes:

Game freezes when an alert or different UI is opened (iOS)[2]

Fixed a crash when rendering monster spawners.

Fixed a crash/memory leak happening when showing the system keyboard - signs and chat. (iOS)